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Biofilm Management | Monitor, Predict & Control Biofilm in Water Systems

Biofilm monitor - biofilm management system

Accepta's innovative "BioSentinel" Biofilm Management System will automatically monitor, predict and control biofilm in water systems for complete peace of mind.

Accepta’s "BioSentinel" range of biofilm management systems use proven, world-class technology to continually monitor a water system for the early stage signs of biofilm accumulation and growth.

This state-of-the-art early warning system allows operators to take a unique, proactive approach to the control of biofilm in water systems to improve system safety, maintain compliance and reduce operating costs.

Significant Benefits

  • Monitor, predict and control the early stage formation of biofilm before it becomes a problem.
  • Greater confidence that your water systems are safe.
  • Enhanced control of bacterial proliferation including Legionella and Pseudomonas.
  • Automatic biocide dosing for precise control.
  • Improved system risk profile.
  • Enhanced regulatory compliance.
  • Reduced operating costs.
  • Ideal for commercial and industrial facilities including hospitals, hotels, airports, universities, powerstations etc.

How BioSentinel Works

Accepta’s BioSentinel biofilm management systems have been developed to provide the on-line and real-time indication and control of biofilm activity on typical water system surfaces.

Each BioSentinel system uses a state-of-the-art controller and a unique biofilm sensor to monitor, predict and control biofilm in water systems.

The biofilm sensor is a highly sensitive component which is inserted into a water supply at the point where biofilm is most likely to accumulate. Alternatively, the sensor can be housed in a flow cell.

The BioSentinel controller applies an electronic potential to the sensor which stimulates micro-organisms to grow on the surface of the sensor itself, prior to growing on the surfaces of pipe-work, heat exchangers and vessels. The biological activity within the biofilm on the sensor creates a potentiometric difference which is then communicated to the controller for interpretation.

The BioSentinel controller collects and monitors the sensor signals continually. An increasing trend in the signal gives an early warning of potentially dangerous biofilm activity in the water system. The controller can then automatically take proactive remedial action by, for example, increasing or decreasing biocide levels within the water system.

BioSentinel Management Systems

Accepta currently offer three BioSentinel systems. BioSentinel I is our entry level system capable of automatically monitoring, predicting and adjusting biocide dosing programmes. BioSentinel II and III offer greater sophistication with additional data logging, SMS text and e-mail alerts, remote access and remote control via GSM/GPRS.

biosentinel-1-biofilm-monitorBioSentinel I

  • World-class technology
  • Multilingual
  • Up to 3 sensors
  • Options include:
    • optical isolation for //O
    • up to 3 4-20mA outputs
    • up to 4 relays (solid state or mechanical)
    • modbus TCP
    • modbus ASCII/RTU
    • Profibus
    • HART
    • PID control
  • Can be fitted with other sensors including pH, temperature, conductivity, chlorine, chlorine dioxide, chlorine, bromine etc.

biosentinel-2-biofilm-monitorBioSentinel II

  • World-class technology
  • Multilingual
  • Up to 6 sensors
  • Colour display and keypad
  • Sophisticated communication and control
  • Data logging
  • Options include:
    • All BioSentinel I options plus:
    • SMS text alerts
    • Internet access
    • E-mail data logs
    • E-mail all alarms
  • Can be fitted with other sensors including pH, temperature, conductivity, chlorine, chlorine dioxide, chlorine, bromine etc.

biosentinel-3-biofilm-monitorBioSentinel III

  • World-class technology
  • Multilingual
  • Up to 12 sensors
  • Colour display and keypad
  • Sophisticated communication and control
  • Data logging
  • Options include:
    • All BioSentinel I & II options plus::
    • SMS text alerts
    • Internet access
    • E-mail data logs
    • E-mail all alarms
  • Can be fitted with other sensors including pH, temperature, conductivity, chlorine, chlorine dioxide, chlorine, bromine etc.

Legionella & Pseudomonas Risk Management

Engineered water systems including cooling systems and heating systems commonly found in facilities such as hospitals, airports and hotels can be a breeding ground for Legionella and Pseudomonas bacterium. Such bacterium often proliferates in the biofilm that adheres to the surfaces of these water systems (pipe-work, heat exchangers, vessels etc.).

BioSentinel allows operators of such water systems to monitor the development of biofilm and control it by dosing the appropriate chemical treatments (e.g. chlorine dioxide) to reduce and disperse the biofilm before reaching dangerous levels of proliferation.

Biofilms can also induce corrosion and reduce heat exchange efficiencies all of which can be expensive if not controlled correctly.

Automatic Biocide Control

Measuring the planktonic bacterium in a body of water only tells half the story... in that there maybe little or no biological activity in the bulk water. This does not necessarily mean that biofilm is not forming on the walls of pipes and vessels with the potential for development of harmful bacterial colonies.

Accepta's BioSentinel management systems come fully equipped with their own integrated GSM/GPRS modem, which allows an operator, with the appropriate security level to receive SMS text alerts or e-mails detailing the biological parameters of the treated water, in real time. This allows the appropriate remedial action to be taken in a timely manner.

Remedial actions could be as simple as triggering an alarm for a manual intervention, or as complex as automatically increasing biocide levels or shock dosing, all controlled by the BioSentinel system.

  • Close control of biological activity.
  • Carefully monitor treatment effectiveness.
  • Optimise biocide application rates.
  • Indication of a "clean" state.

Complete System Control

For complete water system control each BioSentinel system can also be equipped with additional sensors including pH, temperature, conductivity, chlorine, chlorine dioxide, chlorine, bromine etc. for a fully integrated water treatment control system that includes biofilm management.

Technical Support

If you require additional information or specialist technical support concerning our BioSentinel biofilm management, monitoring and control systems please contact Accepta's technical support team.

World Class Expertise

Accepta work with industry worldwide delivering practical, cost effective solutions to resolve complex problems. If you require technical assistance, or information about our water treatment chemicals and other speciality products, please contact our dedicated technical support team on:

+44 (0) 845 519 89 90 or complete our Technical Support form.

Expert Training

Develop your skills with our internationally recognised water and wastewater treatment training courses. Delivered by world leading industry experts and designed for engineers, facilities managers and environmental professionals... water treatment training.

Keep upto date with our extensive library of good practice guides, latest research, regulatory updates, news and more... knowledge base.

Custom Chemical Manufacturing

Accepta offer custom chemical manufacturing, specialist toll blending and white label production services for our own water treatment chemicals and client specific formulations to UK and international customers.

To discover how you could benefit from our environmentally sensitive, quality driven chemical manufacturing capabilities please call us on +44 (0) 161 877 2334 or contact us.

International Distributor Opportunities

Accepta's innovative, quality driven customer focused business model creates exciting global supply chain and distributor opportunities for established and ambitious businesses currently active within the water treatment, wastewater treatment and environmental services sectors around the world.

If you are interested in becoming an exclusive international distributor of Accepta water treatment technologies please click here to learn more.

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